<template>
  <div class="login">
    <div class="main">
      <img src="@/assets/logo/logo.png" alt="" class="img1">
      <img src="@/assets/image/img_bg.png" alt="" class="img2">
      <h3>OA系统管理</h3>
      <h4>OA SYSTEM MANAGEMENT</h4>
      <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
        <h2 class="title">欢迎登录</h2>
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" type="text" auto-complete="off" @focus="isUsername=true"
            @blur="isUsername=false" placeholder="用户名">
            <svg-icon slot="prefix" icon-class="user" v-bind:class="{'color-class':isUsername}" class=" input-icon " />
          </el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input v-model="loginForm.password" type="password" auto-complete="off" placeholder="密码"
            @focus="isPassword=true" @blur="isPassword=false" @keyup.enter.native="handleLogin">
            <svg-icon slot="prefix" icon-class="password" v-bind:class="{'color-class':isPassword}"
              class="el-input__icon input-icon " />
          </el-input>
        </el-form-item>
        <Verify @success="capctchaCheckSuccess" :mode="'pop'" :captchaType="'blockPuzzle'"
          :imgSize="{ width: '330px', height: '155px' }" ref="verify"></Verify>
        <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>
        <el-form-item style="width:100%;">
          <el-button :loading="loading" size="medium" type="primary" style="width:100%;"
            @click.native.prevent="handleLogin">
            <span v-if="!loading">登 录</span>
            <span v-else>登 录 中...</span>
          </el-button>
        </el-form-item>
      </el-form>
    </div>

    <!--  底部  -->
    <div class="el-login-footer">
      <span>© 2020 All Rights Reserved. ruoyichina.com<br> 蒙ICP备2020003903号 <img
          src=""
          alt=""></span>
    </div>
  </div>
</template>

<script>
  import Cookies from "js-cookie";
  import { encrypt, decrypt } from '@/utils/jsencrypt'
  import Verify from "@/components/Verifition/Verify";
  export default {
    name: "Login",
    components: { Verify },

    data() {
      return {
        isUsername: false,
        isPassword: false,
        isValidCode: false,
        codeUrl: "",
        cookiePassword: "",
        loginForm: {
          username: "",
          password: "",
          rememberMe: false,
          code: "",
          uuid: ""
        },
        loginRules: {
          username: [
            { required: true, trigger: "blur", message: "用户名不能为空" }
          ],
          password: [
            { required: true, trigger: "blur", message: "密码不能为空" }
          ],
          code: [{ required: true, trigger: "change", message: "验证码不能为空" }]
        },
        loading: false,
        redirect: undefined
      };
    },
    watch: {
      $route: {
        handler: function (route) {
          this.redirect = route.query && route.query.redirect;
        },
        immediate: true
      }
    },
    created() {
      this.getCode();
      this.getCookie();
    },
    methods: {
      getCode() {
        getCodeImg().then(res => {
          this.codeUrl = "data:image/gif;base64," + res.img;
          this.loginForm.uuid = res.uuid;
        });
      },
      getCookie() {
        const username = Cookies.get("username");
        const password = Cookies.get("password");
        const rememberMe = Cookies.get('rememberMe')
        this.loginForm = {
          username: username === undefined ? this.loginForm.username : username,
          password: password === undefined ? this.loginForm.password : decrypt(password),
          rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
        };
      },
      capctchaCheckSuccess(params) {
        this.loginForm.code = params.captchaVerification;
        this.loading = true;
        if (this.loginForm.rememberMe) {
          Cookies.set("username", this.loginForm.username, { expires: 30 });
          Cookies.set("password", encrypt(this.loginForm.password), { expires: 30, });
          Cookies.set("rememberMe", this.loginForm.rememberMe, { expires: 30 });
        } else {
          Cookies.remove("username");
          Cookies.remove("password");
          Cookies.remove("rememberMe");
        }
        this.$store.dispatch("Login", this.loginForm).then(() => {
          this.$router.push({ path: this.redirect || "/" }).catch(() => { });
        }).catch(() => {
          this.loading = false;
        });
      },
      handleLogin() {
        this.$refs.loginForm.validate((valid) => {
          if (valid) {
            this.$refs.verify.show();
          }
        });
      },
    }
  };
</script>

<style rel="stylesheet/scss" lang="scss">
  .login {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    background-color: #0D1D30;
    position: relative;
  }

  .main {
    position: relative;
    width: 940px;
    height: 495px;
    background: rgba(25, 41, 59, 1);
    border-radius: 12px;
    box-shadow: 0px 2px 12px 0px rgba(9, 23, 39, 1);
    color: rgba(255, 255, 255, 1);

    .img1 {
      position: absolute;
      top: 46px;
      left: 53px;
      width: 110px;
    }

    .img2 {
      position: absolute;
      top: 63px;
      left: 132px;
      width: 348px;
      height: 299px;
    }

    h3 {
      margin-left: 52px;
      margin-top: 383px;
      margin-bottom: 0;
      font-size: 32px;

    }

    h4 {
      margin-left: 52px;
      font-size: 24px;
      margin-top: 16px;
    }

    .login-form {
      position: absolute;
      right: 0;
      top: 0;
      border-radius: 6px;
      background: #ffffff;
      width: 299px;
      height: 495px;
      padding: 58px 33px 33px 33px;

      .title {
        width: 85px;
        font-size: 20px;
        margin: 0px auto 62px auto;
        border-bottom: 3px rgba(27, 74, 127, 1) ridge;
        text-align: center;
        color: #333333;
        padding-bottom: 8px;
      }

      .el-input {
        height: 32px;

        input:focus {
          color: rgba(6, 104, 185, 1);
        }

        input {
          outline: none;
          height: 38px;
          border-top: 0;
          border-left: 0;
          border-right: 0;
          border-radius: 0;
        }

      }

      .color-class {
        color: rgba(6, 104, 185, 1);
      }

      .input-icon {
        height: 39px;
        width: 19px;
        margin-left: 2px;
      }
    }
  }




  .login-code {
    position: absolute;
    width: 88px;
    height: 32px;
    right: 0;
    bottom: 8px;

    img {
      width: 88px;
      height: 32px;
      cursor: pointer;
      vertical-align: middle;
    }
  }

  .el-login-footer {
    height: 40px;
    line-height: 40px;
    position: absolute;
    transform: translateY(273px);
    width: 100%;
    text-align: center;
    color: #fff;
    font-family: Arial;
    font-size: 12px;
    letter-spacing: 1px;

    span {
      img {
        height: 12px;
      }
    }
  }
</style>